tailings containment Articles

  • Small Capacity Sulfur Recovery Units

    Documento sin título ...


    By Merichem Company

  • Cyanide Spill at Baia Mare - Assessment Mission Report UNEP/OCHA

    Introduction On 30 January 2000, following a breach in the tailing dam of the Aurul SA Baia Mare Company, a major spill of cyanide-rich tailings waste was released into the river system near Baia Mare in north west Romania. The contaminant travelled via tributaries into the river Somes, Tisza and finally into the Danube before reaching the Black Sea. A team of international ...

  • An Easy Guide to Understanding Surfactants

    What is a Surfactant? Surfactants are a primary component of cleaning detergents. The word surfactant means surface active agent. As the name implies, surfactants stir up activity on the surface you are cleaning to help trap dirt and remove it from the surface. Surfactants have a hydrophobic (water-hating) tail and a hydrophilic (water-loving) head. The hydrophobic tail of each ...

  • How to Pick the Right Ice Melter For Your Needs

    We get a lot of calls asking about what deicer to use.  What are the best products to melt the ice and snow on city streets, parking garages, hospital entry-ways, sidewalks, and driveways?  What about the daycare center where children crawl and they pick up deicers on their hands and then potentially taste them?   How about the ...

  • Facilitating Food Waste Digestion

    Increasing volumes of commercial food waste, much of it contaminated or packaged, led digestion facility in South San Francisco to install a depackaging unit. South San Francisco Scavenger Company (SSFSC) and Blue Line Transfer, the facility that handles SSFSC’s recycling and disposal, started up its dry anaerobic digester (AD) in late 2014. Situated at Blue Line’s 11-acre site in ...


    By BioCycle Magazine

  • Water Use in the Mining Industry

    Freshwater resources are protected as industry begins to put emphasis on sustainability The mining industry has a great impact on water resources, both depleting water supplies with high usage and polluting them with discharges or seepage from tailings or waste rock impoundments. ...


    By Fluence Corporation

  • The New Environmental Insurance Products: When Does it Make Sense to Buy Them?

     Part One Introduction Real estate transactions with environmental problems often founder on attempts to shift the liabilities from one party to the other. In transactions with other types of problems, insurance is a popular risk transfer mechanism,  and is regularly used for that purpose, but it is used far less often when there are environmental risks. This so-called ...

  • What is the Chemistry That Makes Detergents Work?

    We all have dirty surfaces that need to be cleaned. We see the soil, reach for the detergent, clean the surface and then move on with whatever we were doing, pretty much taking the whole process for granted. Have you ever stopped to think about what happens when you clean a dirty surface? What kind of chemical reactions take place to remove the soil? Why some detergents work better than others? ...

  • NOx Scrubber System - Case study

    Criterion Catalysts & Technology supplies refining and petrochemical catalysts for hydroprocessing applications, including tail gas treating, alkylation pretreatment, isomerization, hydrotreating and hydrocracking. Criterion’s facility in Azusa, CA installed a NOx scrubber system engineered and built by Tri-Mer. It has a 3000-cfm capacity at 250 lbs./hr. of NOx. ...

  • New ways for metal recycling

    REWAVE XRF 3-way-sorting in innovative  “Free-Fall”-design Recycling of metal and aluminium knows no limits because it can be remelted as scrap indefinitely. Metals, however have to be separated from non-metallic impurities, and different metals have to be sorted in pure fractions to be used as secondary raw materials substituting primary resources. Especially when it ...

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